Medical Ninjutsu has a long history, but before the Gang Shou, medical Ninjutsu was very chaotic and had no system, and no one would go to study it specifically. Even medical Ninjutsu was not called 'medical Ninjutsu', but was uniformly classified into 'Ninjutsu', which was ignored by people.
It was not until Gangshou put forward the accurate concept of medical ninjas and sorted out most of the medical ninjas, making them a special category, that medical ninjas and medical ninjas were really promoted in the tolerance world.
And with the emergence of a large number of medical ninjas, medical ninjas are no longer a rare resource, and civilians can also enjoy it in hospitals